71090320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:177

約数の個数: 160

約数和(自身を含む): 200844288

約数和(自身を除く): 129753968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 47, 56, 70, 73, 74, 80, 94, 112, 140, 146, 148, 185, 188, 235, 259, 280, 292, 296, 329, 365, 370, 376, 470, 511, 518, 560, 584, 592, 658, 730, 740, 752, 940, 1022, 1036, 1168, 1295, 1316, 1460, 1480, 1645, 1739, 1880, 2044, 2072, 2555, 2590, 2632, 2701, 2920, 2960, 3290, 3431, 3478, 3760, 4088, 4144, 5110, 5180, 5264, 5402, 5840, 6580, 6862, 6956, 8176, 8695, 10220, 10360, 10804, 12173, 13160, 13505, 13724, 13912, 17155, 17390, 18907, 20440, 20720, 21608, 24017, 24346, 26320, 27010, 27448, 27824, 34310, 34780, 37814, 40880, 43216, 48034, 48692, 54020, 54896, 60865, 68620, 69560, 75628, 94535, 96068, 97384, 108040, 120085, 121730, 126947, 137240, 139120, 151256, 189070, 192136, 194768, 216080, 240170, 243460, 253894, 274480, 302512, 378140, 384272, 480340, 486920, 507788, 634735, 756280, 888629, 960680, 973840, 1015576, 1269470, 1512560, 1777258, 1921360, 2031152, 2538940, 3554516, 4443145, 5077880, 7109032, 8886290, 10155760, 14218064, 17772580, 35545160, 71090320]

約数ペア:

[(1, 71090320), (2, 35545160), (4, 17772580), (5, 14218064), (7, 10155760), (8, 8886290), (10, 7109032), (14, 5077880), (16, 4443145), (20, 3554516), (28, 2538940), (35, 2031152), (37, 1921360), (40, 1777258), (47, 1512560), (56, 1269470), (70, 1015576), (73, 973840), (74, 960680), (80, 888629), (94, 756280), (112, 634735), (140, 507788), (146, 486920), (148, 480340), (185, 384272), (188, 378140), (235, 302512), (259, 274480), (280, 253894), (292, 243460), (296, 240170), (329, 216080), (365, 194768), (370, 192136), (376, 189070), (470, 151256), (511, 139120), (518, 137240), (560, 126947), (584, 121730), (592, 120085), (658, 108040), (730, 97384), (740, 96068), (752, 94535), (940, 75628), (1022, 69560), (1036, 68620), (1168, 60865), (1295, 54896), (1316, 54020), (1460, 48692), (1480, 48034), (1645, 43216), (1739, 40880), (1880, 37814), (2044, 34780), (2072, 34310), (2555, 27824), (2590, 27448), (2632, 27010), (2701, 26320), (2920, 24346), (2960, 24017), (3290, 21608), (3431, 20720), (3478, 20440), (3760, 18907), (4088, 17390), (4144, 17155), (5110, 13912), (5180, 13724), (5264, 13505), (5402, 13160), (5840, 12173), (6580, 10804), (6862, 10360), (6956, 10220), (8176, 8695)]